From 292c0b8cc477d8f4dd24274a98feecaf15371e74 Mon Sep 17 00:00:00 2001
From: xuxin <840198532@qq.com>
Date: Mon, 5 Jan 2026 14:22:14 +0800
Subject: [PATCH] =?UTF-8?q?day09--=E7=BB=A7=E6=89=BF=E4=B8=AD=E7=9A=84?=
 =?UTF-8?q?=E9=87=8D=E5=86=99=E6=A6=82=E8=BF=B0&=E6=B3=A8=E6=84=8F?=
 =?UTF-8?q?=E4=BA=8B=E9=A1=B9?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../com/inmind/extends_override03/Demo04.java | 20 +++++++++++++++++++
 .../src/com/inmind/extends_override03/Fu.java |  7 +++++++
 .../src/com/inmind/extends_override03/Zi.java |  9 +++++++++
 3 files changed, 36 insertions(+)
 create mode 100644 day09/src/com/inmind/extends_override03/Demo04.java
 create mode 100644 day09/src/com/inmind/extends_override03/Fu.java
 create mode 100644 day09/src/com/inmind/extends_override03/Zi.java

diff --git a/day09/src/com/inmind/extends_override03/Demo04.java b/day09/src/com/inmind/extends_override03/Demo04.java
new file mode 100644
index 0000000..36b7928
--- /dev/null
+++ b/day09/src/com/inmind/extends_override03/Demo04.java
@@ -0,0 +1,20 @@
+package com.inmind.extends_override03;
+/*
+继承中的重写：
+重载(overload):在同一个类中，方法名相同，参数列表不同
+重写(override)：在父子类中，方法名相同，参数列表相同（重写，覆盖重写，覆写）
+
+成员方法的访问特点：在父子类中，通过对象去访问成员方法，new后面是谁，优先使用谁的成员方法，没有则向上找
+
+重写的注意事项：
+权限：public>protected>(default)不写就是默认>private
+1. 子类方法覆盖父类方法，必须要保证权限大于等于父类权限。
+2.private的内容不能被继承，所以也就没有重写概念
+3.返回值类型、方法名和参数类型必须一致
+ */
+public class Demo04 {
+    public static void main(String[] args) {
+        Zi zi = new Zi();
+        zi.method();
+    }
+}
diff --git a/day09/src/com/inmind/extends_override03/Fu.java b/day09/src/com/inmind/extends_override03/Fu.java
new file mode 100644
index 0000000..1ed7a83
--- /dev/null
+++ b/day09/src/com/inmind/extends_override03/Fu.java
@@ -0,0 +1,7 @@
+package com.inmind.extends_override03;
+
+public class Fu {
+    public void method(){
+        System.out.println("父类的method方法");
+    }
+}
diff --git a/day09/src/com/inmind/extends_override03/Zi.java b/day09/src/com/inmind/extends_override03/Zi.java
new file mode 100644
index 0000000..0e53098
--- /dev/null
+++ b/day09/src/com/inmind/extends_override03/Zi.java
@@ -0,0 +1,9 @@
+package com.inmind.extends_override03;
+
+public class Zi extends Fu{
+
+    @Override //验证当前方法是否是一个重写方法
+    public void method(){
+        System.out.println("子类的method方法");
+    }
+}